Home / 36,861.30-55,231.15-21,251.70

Finding the Fourth Proportional to 36,861.30, 55,231.15 and 21,251.70

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Solution

The fourth proportional to 36,861.30, 55,231.15 and 21,251.70 is: 31,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,861.30 : 55,231.15 = 21,251.70 : x
  2. Step 2: Convert to fraction form
    36,861.30/55,231.15 = 21,251.70/x
  3. Step 3: Cross multiply
    36,861.30x = 55,231.15 × 21,251.70
  4. Step 4: Simplify right side
    36,861.30x = 1,173,755,830.46
  5. Step 5: Solve for x
    x = 1,173,755,830.46/36,861.30
  6. Step 6: Final answer
    x = 31,842.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.